/*
 * Copyright (C) 2012 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package interactivespaces.master.server.services;

import interactivespaces.activity.ActivityState;
import interactivespaces.domain.basic.LiveActivity;


/**
 * A listener for events from controllers which are controlled by a
 * {@link ActiveControllerManager}.
 *
 * @author Keith M. Hughes
 */
public interface ControllerListener {
	/**
	 * An activity has successfully deployed.
	 * 
	 * @param activity
	 * 		The activity whose state has changed.
	 * @param oldState
	 * 		The old state the activity had.
	 */
	void onActivityStateChange(LiveActivity activity, ActivityState oldState);
}
